fluid computation 中文意思是什麼

fluid computation 解釋
計算流體
  • fluid : n 流體,液。 body fluid 體液。 cooling fluid 冷卻液。adj 1 流動的;流體的;液體的。2 容易[可]變動...
  • computation : n. 1. 計算,估算。2. 計演算法。3. 計算結果,得數。
  1. 3. developed simply and practical fluid network algorithm for large - scale of pipe networks, such as air - gas system and powder manufacture system. iterative computation used in this algorithm is not only astringing quickly and numerical calculating steadily but also cater the required ratio of precision and guarantee the real - time and any performance simulation of fluid network

    3 、本文對風煙系統和制粉系統等大型管網,建立了簡單實用的流體網路模型演算法,此法在迭代計算中,不僅可以快速收斂和數值計算穩定,而且滿足一定的模擬精度,較好的保證了流體網路的全工況實時模擬。
  2. Interior flow field simulation computation in jet element of fluid efflux hammer with matlab language

    語言的射流式沖擊器沖擊系統模擬計算
  3. In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary

    流場解算時,對流場數值通量的求解採用的是帶限制器的高階精度roe格式,時間推進採用了含雙時間步長的隱式lu - sgs ( lower - uppersymmetricgauss - seidel )格式,提高了求解的效率。
  4. The curved grids are generated by using the transfinite interpolation and the so - called multiblock techniques that originally developed for computation fluid dynamics. the curved grid is taken to constitute a generalized curvilinear system

    該方法結合了多塊映射和超限插值技術,這項技術出自計算流體力學,它可使產生的網格網線沿著地下所有界面變化。
  5. Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost

    近年來,計算流體力學( cfd )設計技術得到較大發展,其中最有代表性方法是jameson發展的基於控制理論(伴隨方法)的氣動優化設計技術,其顯著優點是目標函數對設計變量的梯度計算幾乎與設計變量數目無關,從而大量節省了計算費用,並成為當前cfd領域的研究熱點。
  6. In the turbulent flow, the fluid ’ s physical parameters has the stochastic change along with the time and the space, it is very difficult to carries on its rate process ’ s precise computation and the simulation with mathematics method, but unstable condition navier - stokes equation regarding open canal current of water transient motion suitable

    閘后水流經過加糙的海漫段時,其水流狀態屬明渠紊流。流體中的各種物理參數,都隨時間與空間發生隨機的變化,很難用數學的方法對其運動過程進行精確計算和模擬。
  7. Besides, traditional hydraulic method is commonly adopted to water surface computation in which section - averaged hydraulic parameters are used. the accuracy is quite low. it is backward comparing with modern computational fluid mechanics

    此外,目前航道整治設計中水面線的計算一般都採用傳統水力學的斷面平均水力要素計算方法,精度較粗,大大滯後於當今計算流體力學研究水平。
  8. A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc

    摘要為描述質子交換膜燃料電池的動態過程,發展了一個基於計算流體動力學的非穩態、非等溫的三維兩相流數學模型。
  9. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看,它事實上是熱力學第二定理的反映,即熵越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  10. The main direction and position of petroleum secondary migration is up to potential distribution of fluid. by the simulation computation of the developing profile of palaeofluid potential and the six main conducting path plans of lulehe formation ( period of nowadays, n23, n22, n n e3 ), discovered that eboliang, yahu. lenghumahai structure belts are low potential area in long stage which are petroleum migrating direction area

    流體勢分佈決定了油氣二次運移的主要方向和聚集部位,通過模擬計算古流體勢發展剖面圖和主要輸導層路樂河組地層現今、 n _ 2 ~ 3 、 n _ 2 ~ 2 、 n _ 2 ~ 1 、 n _ 1 、 e _ 3等6個時期流體勢平面圖,發現鄂博梁、鴨湖構造帶、冷湖-馬海構造帶為長期低勢區,是油氣運移的指向區。
  11. Relativel ~ ~ matlab language is more powerful than oilier computing language, especially in computation fluid mechanics, it helps to simply draw charts of vortex, stream function, velocity, pressure, and the amount of work can be extremely reduced, and the program coniplving can also be controlled easily

    得到空化數的分佈以後,進而分析流場內空泡的運動軌跡,最後得到空泡半徑在流場內隨壓力的變化關系曲線,以及在流場內空泡半徑沿壓力最小點的分佈規律。
  12. In this paper, the gas flow is simulated in the 252kv self - extinguishing type sf6 circuit breaker which is being studied by the tianying company in pingdingshan. the idea which combines the self - programmed method and the fluid computation software is presented

    本文配合平頂山天鷹集團開發研製的252kv自能式sf _ 6斷路器,建立了相應的滅弧室氣流場數學模型,提出了一種利用流體計算軟體和自編程相結合的方法對滅弧室內的氣流場進行計算。
  13. Hence, they that flow field calculation and dynamical computation of fluid - solid coupling dynamic characteristics are carried out to search flow law in the hydraulic turbine, optimize the design of scroll casing, guide vane, blade and draft tube, and they can apply useful to the monitoring and fault diagnosis system of hydroelectric set as well

    因此,為探求水輪機內部的流動規律,優化水輪機設計,為水輪機的安全穩定性運行和機組的故障診斷提供幫助。對導葉內部的流動進行流場計算和流固耦合振動特性的動力計算就顯得十分必要。
  14. Computation of thermophysical properties of fluid system based on web

    的流體熱物性遠程計算系統研究
  15. The character of pseudothermal temperature equation is expounded ; numerical computation of two phase flow of power law fluid in different kind of pump impeller blade and under the influence of its material parameters ( viscosity and flow exponent ) has been performed

    摘要詳細闡述了顆粒擬溫度方程,計算了不同型線的葉輪及改變冪律流體物性參數對湍流流動的影響。
  16. Local discomfort is an important reason of human discomfort in winter air condition room. basis of the method of computation fluid dynamics, through phoenics computation simulation, with the premise that flow and temperature distribution is basically consistent, the article further analyzes the distribution regulation of indoor parameters in air condition room and reflects the characters which ca n ' t give out and reveal only by experience and practical measurement on the spot. at the same time, it provides some very excellent forecast and evaluation methods by use of cfd

    由於冬季空調房間的熱特性的影響,局部不適是冬季空調房間內的人體不舒適的重要原因,基於計算流體動力學方法,通過phoenics的計算模擬,在流動和溫度分佈的基本規律相符的前提下,進一步細化了空調房間室內參數分佈的規律性,反應了僅憑經驗和現場實測所不能給出和揭示的特點,同時運用cfd工具為工程實踐提供了很好的預測和評價手段。
  17. In this scenario, computational fluid dynamics ( cfd ) as a typical science computation domain will shift to distributed computation. such a distributed cfd system exhibits autonomy, interactivity, heterogeneous, dynamic scalibility

    網路上可用分佈資源的自主性與動態可伸縮性,及分佈求解策略的自主性與動態性,都對cfd應用軟體提出了新的要求。
  18. The control theory method only needs double time of the fluid field computation to obtain the global gradients, through solving the adjoint equations of the governing equations

    通過求解共軛方程來得到目標函數對于設計變量的梯度,再利用所求的梯度進行優化設計,只需要花費兩倍求解流場的時間。
分享友人